Comprehensive In-Home Cyber Security Setup

I need a one-time setup for comprehensive cyber security protection for my devices.

Devices to be secured:
- Computers
- Smartphones/Tablets
- Smart home devices

Required security measures:
- Antivirus and malware protection
- Network firewall setup
- Real-time monitoring

Ideal skills and experience:
- Proven expertise in cybersecurity
- Experience with antivirus and firewall tools
- Ability to set up real-time monitoring systems

Please provide a detailed plan and ensure a secure environment for my home network.